Electro-optical modulator as controlled spark pre-ionizer for CO2-TEA lasers pulse shutter

Taieb Gasmi

doi:10.1117/12.2636817

30 September 2022 Electro-optical modulator as controlled spark pre-ionizer for CO₂-TEA lasers pulse shutter

Taieb Gasmi

Author Affiliations +

Proceedings Volume 12233, Infrared Remote Sensing and Instrumentation XXX; 122330J (2022) https://doi.org/10.1117/12.2636817
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

We present a novel laser-pulsed shutter constructed by combining a solid-state pulsed high-voltage gas pre-ionizer and a CO₂-TEA laser beam self-generated plasma. This cascaded electro-optical modulator produces 60 ns laser output pulses with less than 7 ns jitter leading to high output energy stability. No pulse recovery occurs after the laser pulse is clipped. The high voltage pulse-based pre-ionization module also has the advantage of being automatically integrated into the pulse-forming network of the laser discharge circuit.

Citation Download Citation

Taieb Gasmi "Electro-optical modulator as controlled spark pre-ionizer for CO₂-TEA lasers pulse shutter", Proc. SPIE 12233, Infrared Remote Sensing and Instrumentation XXX, 122330J (30 September 2022); https://doi.org/10.1117/12.2636817

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